Prevalence of chronic rhinosinusitis in Sao Paulo.

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Rhinology. 2012 Jun;50(2):129-38.
Prevalence of chronic rhinosinusitis in Sao Paulo.
Pilan RR, Pinna FR, Bezerra TF, Mori RL, Padua FG, Bento RF, Perez-
Novo C, Bachert C, Voegels RL.
Abstract
INTRODUCTION:
Studies designed to investigate chronic rhinosinusitis (CRS)
epidemiology play an important role to assess population`s
distribution and risk factors to result in the development and
promotion of public health policies.
METHOD:
This study design is a survey carried out with a complex two-stage
cluster sampling plan. Personal interviews were carried out with 2,003
individuals. The questionnaire included the epidemiological criteria
for CRS. Demographic data, history of physician-diagnosed respiratory
diseases (asthma, sinusitis, rhinitis), smoking, family income,
educational attainment, and household characteristics were also
evaluated.
RESULTS:
The overall response rate was 93.9% of the households. Mean age was
39.8 +- 21 years; 45.33% were male. The overall prevalence of CRS in
the city of Sao Paulo was 5.51%. We found a significant association
between diagnosis of CRS and diagnosis of asthma and CRS and diagnosis
of rhinitis and a significant association between presence of CRS and
belonging to the low-income subgroup.
CONCLUSION:
The municipality of Sao Paulo has an urban population of 11 million.
According to the present study, the prevalence of CRS is 5.51%, which
represents more than 500,000 individuals affected by this condition in
the city